MTGNexus

Belittle -- 1U
Instant {R}
Kicker B
Target creature has base power and toughness 1/1 until end of turn. Then, if Belittle was kicked, destroy the creature with the smallest size. (Size is power plus toughness.)

Devolve - 1GB
Sorcery {R}
Kicker 1BB
Target creature's controller sacrifices it, then creates a number of 1/1 black Fungus creature tokens equal to its mana value.
Then, if Devolve was kicked, creatures that player controls get -1/-1 until end of turn.

Cielissa, Calming Presence - WWG
Legendary Creature - Human Cleric {R}
If an effect would double the amount of damage that would be dealt to you or a permanent you control, that source deals half the amount of damage, rounded down, instead.
T: Target permanent you control gains indestructible and can't attack or block this turn.
1/6

Inocculate -- 1W
Instant {U}
Choose a color.
Target permanent you control gains protection from that color.
Another target permanent or spell becomes that color until end of turn.

Sizzling Strike -- 2RR
Instant {R}
Choose a spell or permanent. Until the end of turn, if that spell or permanent would deal damage, it deals twice that much damage instead.
Sizzling Strike deals 2 damage to any target.

Bide One's Time -- 1B
Instant - Tactics {C}
Remove target attacking creature from combat. At the end of turn, it deals damage equal to its power to each player, planeswalker, or battle it attacked this turn.

Technically a green spell?

Sweep the Room -- 4R
Sorcery {U}
Tap target untapped creature you control. It deals damage equal to its power to any target, damage equal to half its power, rounded down, to any other target; and 1 damage to a third target.

Swell the Ranks -- 1(G/W)
Instant {R}
Choose a creature type.
Target creature becomes that creature type until end of turn.
Creatures of the chosen type get +2/+2 until the end of turn.

Terrestial Tremor - 2GU
Sorcery {R}
Choose a land type.
Target land becomes that type until end of turn.
Tap or untap all lands of the type chosen.

Negacrunch -- BB
Instant {R}
Until the end of turn, costs of loyalty abilities that would add counters remove that many counters instead. (A loyalty ability that costs +2 now costs -2 instead.)

Center of Attention -- WW
Enchantment - Aura {R}
Spells with a target must have enchanted creature chosen as one of its targets.
Whenever enchanted creature becomes the target of a spell, it gets +1/+1 until end of turn.

Military Retinue -- 3W
Enchantment - Aura
Enchant planeswalker
When Military Retinue enters, create a number of 1/1 white Soldier creature tokens equal to the number of loyalty counters on enchanted planeswalker.
When enchanted planeswalker is put into the graveyard for having loyalty 0 or less, sacrifice all tokens created this way.

Once More Into The ... -- R(R/W)W
Instant - Tactics {R}
(Play only during combat, before damage.)
After this combat, there is another combat phase.
At the end of turn, put a defender counter on each creature that attacked this turn.

Aras Sparkchaser - uuU
Creature - Wizard {U}
uuu, T: Copy target loyalty ability. You may choose new targets for your copy.
Whenever a planeswalker an opponent controls is put onto the graveyard for having 0 or less loyalty, you may activate a loyalty ability it had without paying its costs.
2/3

Suspicious Minds - 2B
Enchantment - Curse {R}
Enchant player
Loyalty abilities of planeswalkers controlled by enchanted player cost an additional "Collect evidence equal to the number of loyalty counters this ability would add or remove to activate" to activate.

Give a Man a Fish -- 1UU /// Teach a Man to Fish -- 3UUU
{Give a Man a Fish}
Instant {R}
Counter target spell controlled by an opponent. That player creates a 1/1 blue Fish creature token with "This creature cannot be blocked."
////////
{Teach a Man to Fish}
Enchantment - Curse
Enchant opponent
Whenever enchanted player casts a spell, counter that spell. That player may create a number of 1/1 blue Fish creature tokens or Food tokens equal to its mana value.

Sing a Song of Sixpence -- 3R
Sorcery {U}
Create six Treasure tokens.
////////split////////
A Pocketful of Rye -- 3G
Sorcery
Create six Food tokens.